BoingBoing Comment Fixer

Bookmarklet

This bookmarklet will take you to the comments for a BoingBoing post. To install, drag the link below to your bookmarks toolbar. To use, click the bookmark in your toolbar when you are on a BoingBoing post.

BB Comments

TamperMonkey script

If you want a better solution, install TamperMonkey and then install this script. It will detect broken comments links on BoingBoing and update them so they just work.